National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

A Few Clouds

86°F

30°C

Humidity 40%
Wind Speed W 9 mph
Barometer 30.17 in (1020.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 18 May 12:56 pm EDT
Extended Forecast for

2 Miles SW Grant Mills NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. Southwest wind around 9 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. Southwest wind 3 to 6 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 84. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Southwest wind 5 to 7 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers. High near 77. West wind 7 to 9 mph. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely before 8pm. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 84. Southwest wind around 9 mph.
Tonight
Mostly clear, with a low around 63. Southwest wind 3 to 6 mph.
Tuesday
A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 84. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 63. Southwest wind 5 to 7 mph.
Wednesday
Showers. High near 77. West wind 7 to 9 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely before 8pm. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Partly sunny, with a high near 59.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Grant Mills NY
 42.06°N 74.71°W (Elev. 2201 ft)
Last Update:
9:38 am EDT May 18, 2026
Forecast Valid:
1pm EDT May 18, 2026-6pm EDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation